Question: What is the feed-stock of a chair, with a mass of 55.935?
Paraphrase: How is the feed-stock of a chair, with a mass of 55.935
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q15026 wdt:P186 ?answer . ?answer wdt:P2067 ?x FILTER(contains(?x , '55.935'))}